@GordonR wrote:
I have my Pixhawk mounted transversely pointing to the right. My external compass is mounted pointing straight ahead to the front of the aircraft.
The instructions, both in Advanced Compass Setup and also in Mission Planner | Full Parameters say clearly that the compass orientation should be set with respect to the autopilot board. So I set AHRS_ORIENTATION = 2 (Yaw90) and COMPASS_ORIENT = 6 (Yaw270). I did a calibration which worked ok.
But the compass heading of the aircraft on the Flight Data screen was off by 90 degrees. It indicated South when the aircraft was pointing East.
So I redid the calibration this time with COMPASS_ORIENT _ 0 (None). Again it calibrated ok, and now the compass reading in the Flight Data screen is correct.
Question: Has something changed in Plane 1.3.37? Are the instructions now incorrect? I note a post from bisenberger (May '16) who also thought there was a yaw issue.
GordonR
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